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Lectrosonics T6 Operating Instructions Manual

Manual is about: Multi-frequency IFB belt-pack transmitter, euro model

Summary of T6

  • Page 1

    T6 multi-frequency ifb belt-pack transmitter euro model operating instructions and trouble-shooting guide lectrosonics, inc. Www.Lectrosonics.Com 0885.

  • Page 2

    Table of contents introduction ..................................................................................................... 3 service and repair ......................................................................... Back cover warranty .......................................................

  • Page 3: Introduction

    Multi-frequency ifb belt-pack transmitter, euro model introduction thank you for selecting the lectrosonics ifb t6 multi-frequency, ifb transmitter. The ifb t6 combines over 80 years of engineering experience with the very latest components, in a design that addresses the most demanding professional...

  • Page 4

    General technical description the ifb t6 transmitters are comprised of a number of functional sub-systems as shown in the block diagram below. General the system uses 20khz wide deviation for high signal to noise ratio. The transmitter circuits are all regulated to allow full output power from the b...

  • Page 5

    Multi-frequency ifb belt-pack transmitter, euro model pilot tone squelch the ifb system utilizes an ultrasonic tone modulation of the carrier to operate the receiver squelch. This “pilot tone” consists of a 30khz signal mixed with the audio signal following the microphone preamp, just after the comp...

  • Page 6: Controls and Functions

    Controls and functions antenna off on –20 0 lectrosonics level audio t6 ifb transmitter frequency coarse fine 0 1 2 3 4 5 6 7 8 9 a b c d e f 0 1 2 3 4 5 6 7 8 9 a b c d e f lf roll off 35 150 75 hz frequency adjust lf roll-off adjust input jack the input on the ifb t6 accommodates virtually every l...

  • Page 7

    Multi-frequency ifb belt-pack transmitter, euro model since the internal circuits are all tightly regulated and the rf output stage has a separate discrete regulator, the transmitter will continue to operate to a battery voltage of 6.5 volts. From 6.5 volts to 6 volts, the transmitter will still ope...

  • Page 8: Battery Installation

    Battery installation the transmitter is powered by a standard alkaline or lithium 9 volt battery. It is important that you use only an alkaline or lithium battery for longest life. Standard zinc-carbon batteries marked “heavy-duty” or “long­ lasting” are not adequate. Ni-cad rechargeable batteries w...

  • Page 9: Operating Notes

    Multi-frequency ifb belt-pack transmitter, euro model 6) position the microphone in the location you will use in actual operation. 7) while speaking or singing at the same voice level that will actually be used, observe the modulation leds. Adjust the audio level control knob until the leds begin to...

  • Page 10: Microphone Cord Termination

    Microphone cord termination 1 2 3 4 5 view from solder side of pins 0.3" 0.15" heatshrink tubing ta5f connector assembly mic cord stripping instructions caution! Do not allow the shield wire to touch any metal part of the connector shell. The shield wire is the antenna on vhf models and poor operati...

  • Page 11: 5-Pin Input Jack Wiring

    Multi-frequency ifb belt-pack transmitter, euro model 5-pin input jack wiring the wiring diagrams shown on the next page represent the basic wiring necessary for the most common types of microphones and other audio inputs. Some microphones may require extra jumpers or a slight variation on the diagr...

  • Page 12

    Rf bypassing 2 wire mic 3 wire mic some mics require rf protection to keep the radio signal from affecting the capsule, even though the transmitter input circuitry is already rf bypassed (see schematic diagram). If the mic is wired as directed, and you are having difficulty with squealing, high nois...

  • Page 13: A6U Uhf Antenna

    Multi-frequency ifb belt-pack transmitter, euro model 33 32 31 21 22 23 24 25 26 27 28 29 30 after cutting to length. Black cap a6u uhf antenna this is a full size cutting template. Lay the actual antenna on top of this drawing and cut at the mark for the desired frequency group. Install cap on end ...

  • Page 14: Troubleshooting

    Troubleshooting before going through the following chart, be sure that you have a good battery in the transmitter. It is important that you follow these steps in the sequence listed. Symptom possible cause transmitter battery led off 1) battery is inserted backwards. 2) battery is dead. No transmitt...

  • Page 15: Specifications and Features

    Multi-frequency ifb belt-pack transmitter, euro model specifications and features operating frequencies: 537.600 to 864.000 mhz frequency selection: 256 frequencies in 25khz steps rf power output: 50 mw (nominal) pilot tone: 29.997 khz (± 2hz); 4.5khz deviation frequency stability: ± 0.002% deviatio...

  • Page 16: Limited One Year Warranty

    The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping. This warranty does not apply to use...